Question

A can do a piece of work in 20 days while Bcan do it in 15 days. with the help of C they finish the work in 5 days. in what time would C alone do it?​

Answer 1

Answer:

Well does that matter ,

What matters is Dynamite in on no. 5 On Billboard charts , So go and stream DYNAMITE A.R.M.Y.

Answer 2

Answer:

one day work of a =1/20

one day work of b=1/15

one day work of a and b =1/20+1/15

one day work of a,b and c=5

1/20+1/15+1/x=1/5

1/x=1/5-1/20-1/15

1/x=1/12

therefore x=12

one day work of c =12